Fly-screen.



W. H. BETTS & F. BOUGHT.

FLY SCREEN.

APPUCATION FILED JULY 13. 1916.

1917. 2 SHEETS-SHEET I.

Patented Aug. 21'

w. H. BETTS & F. YROUGHT.

FLY SCREEN.

APPLICATION FILED JULY 13. I916- 1,2f3'7,284. Patented Aug. 21, 1917.

v 2 SHEETS-SHEET 2- 1% 6- 15 1a 1 4 15 U E su WILLIAM II. BETTSAND FRANKnouenr, or sr. LOUIS, MISSOURIQ v ELY-SCREEN.

To all whom it may concern? Be it known that we, WILLIAM H. Burrs andFRANK BOUGHT, citizens of the United States, and residents of St. Louis,Missouri, have invented certain new and useful Improvements inFly-Screens, of'which the following is a specification containing afull,

clear, and exact descriptiomreference being had to theaccompanylng'drawlngs, forming a parthereof. I

The object of our invention is to provide 1 v I formed ison theinside ofthe screen-wire 5,

'and'extends parallel thereto, to form a passage-way for the flies inmaking their'exit an improved door and windowscreen', which wlll easllypermlt the'flles to escape from a inafter described, and specificallypointed. out in the appended claims.

In the drawings:

Figure 1 is an Inside face view of the. upper end of our improved dooror windowscreen.

Fig. 2 is a horizontal section, taken on the line 2-2 of Fig. 1.

' Fig. 3 is a vertical section, with the parts y 7 open or closed'posltion', weloosely mount Fig. 1 is an enlarged horizontal section,

ofthe parts at the left-hand of Fig. 2, and showing the exit-door in anopen position Fig. 5 is a view like'the last, butshowing the exit-doorclosed against. the entrance of bugs, as it should be at night.

Fig. 6 is an outside face-view of the upper end of our improved door orwindow screen, with a modified form of exit-door.

Fig. 7 is a horizontal section, taken through the same on the line 7-7of Fig. 6.

Fig. 8 is a vertical section, enlarged, taken on the line 8-8 of Fig. 7.i

Fig. 9 is a detail plan-view, of a portion of the upper end of thescreen, showing the same parts that appear in Fig. 8, and

Fig. 10 is a detail section, taken on the line 1010, of Fig. 9.

The numeral 1 designates the top horizontal bar of a door or Windowscreen, and 2 the upright bars of the same.

The outer face of the said'top bar 1 is cut the exit of the flies,between the vertical partitions 4', to which latter the upper edge ofthe screen-wire 5 is attached by the usual tacks and clamping-strip 6.

v Specification of LettersPatent.

screen-wire 8 being attached to the said bar 'by means of suitable'fasteningta'cks, and

extends up to the said top bar 1, and has'its upper edge secured to'said' top bar-in any Patented Aug. 21, 1917. Application filed July13,1916. seriaina-ioalea. I I

common manner, so that said section will act as a hinge for movablysuspending said movable bar, as shown more clearly in Fig It "will beseen that'the exit-door thus through said chutes ,3. x

'lo close'the "exit-doonduringithe" night,

for preventing entrance of bugs and other insects, it will only'benecessary to move the said bar 7 outwardly, until its screen-wire comesin contact with the screen-wire 5 of the dooror window screen, therebyeffectually closing thelower edge of the passageway between the twoscreen-wires, and preventing entrance to the room of all obnoxious bugsand the like.

To hold said movable bar 7 ineither an the form shown, with cams 1 1 andset astride of said bar 7, with the inner portions of said wires bentinwardly, to form a handle, and

with the outer ends of. said wires passed through suitable eyes orstaples 12 driven into the top and'bottom of said bar, and

thence passed loosely into a guiding-socket 14, bored in said bars12',so that when said handles are moved outwardly, to the position inwhich one is shownkin Fig. 1, the

cams 11 will engage said staples and force said movable bar and itsscreen-wire inwardly, and open the exit-door. When said handles 10 aremoved in- 'wardly, toward each other, .to the position in which one ofthem is shown in F ig, 5, the said cams 11 will force said bar 7outwardly, and securely close the said exitdooragainst :the entrance of.bugs and the like,

' Referring now to the modification, illustrated in Figs. 6 to 10, thescreen wire 50f the door or window is extended upon the frame in the,manner described in connection with Figs. 1 to 5 inclusive, buttheinterior exit-door is done away with, and we locate an exit-door 16 onthe exterior of the top horizontal bar 1, pivoted at 17 between oppositebrackets-1S secured to said bar by suitable tacks or screws 19 andintegral prongs 20, which latter are to prevent said brackets fromturning.

Said brackets 18, as shown more clearly in Fig. 10, are adapted to holdsaid door 16 in an open position, by reason of cam locking'lugs 21engaging a recess 22 in the end V of said door.

The said door will stay closed reason of its weight holdingit in theclosed position. (See Fig. 8).

The inner lower corner of said door 16 is rounded ofl,.at 23, to permitsaid door to served, substantially the same as in the form previouslydescribed.

lVe claim:

1. An improved door or window screen, having at its upper end inclinedexit-passages with vertical-bars between them, screen-wire attached tosaid vertical-bars covering all but the upper edges of saidexitpassages, a suitable movable exit-door arranged to control saidpassages and prevent the passage ofbugs and other insects into the room,at night, and cam-locks which hold the said dooraiter its adjustment,

2. An improved door or window screen,

having exits for flies at its upper end, a

door hinged to open or close said exits, and cam-locks which hold thesaid door after its adjustment. I I.

In testimony whereof, we have signed our names to this specification inthe presence of two' subscribing witnesses.

WILLIAM H. BETTS.

, FRANK BOUGHT,

lVitnesses Y HENRY L. HIGDON, JOHN C. HIeDoN.

Copies ofthis'patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. C. i

